Color

#0a314d

#0a314d
hex#0a314d
rgbrgb(10, 49, 77)
hslhsl(205, 77%, 17%)
oklchoklch(0.302 0.066 244.7)
Closest name: Beyond the Stars (#0a3251)Relative luminance 0.028

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#4d260a

#0a4d47 · #0a104d

#4d0a31 · #314d0a

Split-complementary

Open in tool →

#4d0a10 · #4d470a

#470a4d · #4d260a · #104d0a

Contrast

#0a314d as textRatioAAAA largeAAAFix
Aaon white
13.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.56:1failfailfail
  • AA: use #1979be as the text (4.52:1)
  • AAA: use #389de5 as the text (7.12:1)
  • AA: or shift the background to #969696 (4.55:1)
  • AAA: or shift the background to #bdbdbd (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a314d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#0a314d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a314d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #0a314d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a314d-9cafc4-df4e58-1f212d-e9f1f0?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md